diff options
author | Jędrzej Nowacki <jedrzej.nowacki@digia.com> | 2014-05-21 12:28:27 +0200 |
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committer | Jędrzej Nowacki <jedrzej.nowacki@digia.com> | 2014-07-04 08:24:05 +0200 |
commit | 9c79f6dfb3b5724b52421f74fbee6f5c0005d0e3 (patch) | |
tree | ee4e2722c3bc40d99a95753a2cc6140b061ffaf5 /src/corelib/json | |
parent | 391b2accd87f02c9c0b1a4e766e50377d5918887 (diff) |
Add initializer list support in QJsonArray
It allows to create a QJsonArray instance in C++ by using
a similar expression to JSON. For example:
QJsonArray a = {1, 2, 4};
[ChangeLog][QtCore][QtJson] QJsonArray now supports
C++11 initializer lists.
Task-number: QTBUG-26606
Change-Id: Icc352e518d9649d24176c89e7113d200d5c50b0d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/corelib/json')
-rw-r--r-- | src/corelib/json/qjsonarray.cpp | 25 | ||||
-rw-r--r-- | src/corelib/json/qjsonarray.h | 14 |
2 files changed, 39 insertions, 0 deletions
diff --git a/src/corelib/json/qjsonarray.cpp b/src/corelib/json/qjsonarray.cpp index 61bb158ff5..c1e831192a 100644 --- a/src/corelib/json/qjsonarray.cpp +++ b/src/corelib/json/qjsonarray.cpp @@ -138,6 +138,18 @@ QJsonArray::QJsonArray() } /*! + \fn QJsonArray::QJsonArray(std::initializer_list<QJsonValue> args) + \since 5.4 + Creates an array initialized from \a args initialization list. + + QJsonArray can be constructed in a way similar to JSON notation, + for example: + \code + QJsonArray array = { 1, 2.2, QString() }; + \endcode + */ + +/*! \internal */ QJsonArray::QJsonArray(QJsonPrivate::Data *data, QJsonPrivate::Array *array) @@ -149,6 +161,19 @@ QJsonArray::QJsonArray(QJsonPrivate::Data *data, QJsonPrivate::Array *array) } /*! + This method replaces part of QJsonArray(std::initializer_list<QJsonValue> args) . + The constructor needs to be inline, but we do not want to leak implementation details + of this class. + \note this method is called for an uninitialized object + \internal + */ +void QJsonArray::initialize() +{ + d = 0; + a = 0; +} + +/*! Deletes the array. */ QJsonArray::~QJsonArray() diff --git a/src/corelib/json/qjsonarray.h b/src/corelib/json/qjsonarray.h index 84c162f0a0..4cada7cec1 100644 --- a/src/corelib/json/qjsonarray.h +++ b/src/corelib/json/qjsonarray.h @@ -44,6 +44,9 @@ #include <QtCore/qjsonvalue.h> #include <QtCore/qiterator.h> +#if defined(Q_COMPILER_INITIALIZER_LISTS) +#include <initializer_list> +#endif QT_BEGIN_NAMESPACE @@ -56,6 +59,16 @@ class Q_CORE_EXPORT QJsonArray { public: QJsonArray(); + +#if defined(Q_COMPILER_INITIALIZER_LISTS) || defined(Q_QDOC) + QJsonArray(std::initializer_list<QJsonValue> args) + { + initialize(); + for (std::initializer_list<QJsonValue>::const_iterator i = args.begin(); i != args.end(); ++i) + append(*i); + } +#endif + ~QJsonArray(); QJsonArray(const QJsonArray &other); @@ -212,6 +225,7 @@ private: friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonArray &); QJsonArray(QJsonPrivate::Data *data, QJsonPrivate::Array *array); + void initialize(); void compact(); void detach(uint reserve = 0); |